three brothers, ariel, pedro, and onil castro, have been arrested and are awaiting charges. now, they're slated to be interviewed tomorrow, likely by both federal and local law enforcement. as you heard, we just spoke to the sergeant in the cleveland police department who told us earlier in the hour that there's nothing unusual in there having been a delay in charges filed. they would call this standard operating procedure at this point. the question remains, though, how could something like this have happened and gone unnoticed for so long in a tight-knit community of houses that are very close where people spent a lot of time outside with each other? tom foreman has been looking at the layout of the area, the specific house, and the neighborhood, and tom, what do you know? >> reporter: well, erin, the geography of these kidnappings is just astonishing. let's bring in the map and look at this. all three of these women disappeared around roughly the same period of time, 2003 and then in 2004 and then in 2005 all -- all in a row. in a short period of time in an area that had